Cylinder Head Gasket (RH)

CYLINDER HEAD GASKET (RH) - from 99MY

Remove
1. Remove inlet manifold gasket. See INTAKE MANIFOLD.
2. Remove RH exhaust manifold gasket. See EXHAUST SYSTEM.

NOTE: RHD models: Exhaust manifold will remain captive in engine bay but clear of cylinder head.




3. Remove bolt securing auxiliary drive belt tensioner and remove tensioner.




4. Remove bolt securing engine earth lead.
5. Remove bolt securing engine oil cooler pipe to alternator mounting bracket.




6. Remove 4 bolts securing alternator mounting bracket and remove bracket.




7. Disconnect HT leads from spark plugs.
8. Remove rocker cover.




9. Progressively remove 4 bolts securing the rocker shaft and remove rocker shaft assembly.
10. Remove push rods.

NOTE: Store push rods in their fitted order.




11. In the sequence shown remove 10 bolts securing the cylinder head.
12. Remove cylinder head.




13. Remove cylinder head gasket.


Refit
14. Use a suitable gasket removal spray and plastic scraper to clean cylinder head and cylinder block mating faces. Ensure bolt holes are left clean and dry.

CAUTION: Do not use metal scraper or machined surfaces may be damaged.

15. Check head and block faces for warping and pitting.
16. Fit cylinder head gasket with the word TOP uppermost.

NOTE: Gasket must be fitted dry.

17. Carefully fit cylinder head and locate on dowels.
18. Lightly lubricate new cylinder head bolt threads with clean engine oil.

NOTE: Long bolts: 1, 3, 5, short bolts: 2, 4, 6, 7, 8, 9, 10.

19. Fit bolts and tighten in the sequence shown to 20 Nm (15 ft. lbs.) then 90°, then a further 90°.
20. Clean push rods.
21. Lubricate ends of push rods with clean engine oil.
22. Fit push rods in their removed order.
23. Clean base of rocker pillars and mating face on cylinder head.
24. Clean contact surface on rockers, valves and push rods.
25. Lubricate contact surface and rocker shaft with clean engine oil.
26. Fit rocker shaft assembly and engage push rods. Tighten bolts progressively to 38 Nm (28 ft. lbs.).
27. Fit rocker cover.
28. Position alternator mounting bracket, fit and tighten bolts to 40 Nm (30 ft. lbs.).
29. Position engine harness, align oil cooler pipe and secure with bolt.
30. Position auxiliary drive belt tensioner, fit bolt and tighten to 45 Nm (33 ft. lbs.).
31. Position engine earth lead, fit bolt and tighten to 22 Nm (16 ft. lbs.).
32. Connect HT leads to spark plugs.
33. Fit exhaust manifold gasket.
34. Fit inlet manifold gasket.
35. Remove stand(s) and lower vehicle.